In the air-conditioning system, the correct statement of the flow direction of the refrigerant is (). In this agenda, Binleng has undergone a process of changing from high pressure gas state, high pressure liquid state, low pressure liquid state,
and low pressure gas state. ()
The difference between traditional power frequency machine and high frequency machine is: /
When the distance between the outdoor unit and the seaside is 0.5km~3.7km, you need to configure the () outdoor unit
Which of the following statements are true about the iBattery battery management system? ()
NetEco6000 management system uses the above security mechanisms to ensure network security and prevent business sensitive data leakage? ()
Is the description of the iPower function of the intelligent micro-module of FusionModule2000 V3.0 correct? ( )
Which statement is correct about UPS5000-A-500K? () (multiple choice)
Compared with the fixed frequency structure, the advantages of using the DC frequency conversion structure for air-cooled temperature control products are ( )
In PDU8000, what are the optional functions (
UPS2000-G-(6K-20K) Regarding the optional output isolation transformer, the following statements are correct () (multiple choice)
The power supply structure adopted by the new row-level half-tank chilled water is /
The fan control modes supported by the NetCo18000-C series room-level chilled water intelligent cooling products are ( ).
When competing with friends, which of the following statements is correct? ( ).
Regarding the micro-module and fire protection system, which of the following are true? (multiple choice)
The new room-level air-cooled series is based on the indoor return air of 35C and the outdoor temperature of 35C. The cooling section has ( )